<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left">
      <h3 class="title">{{ siteTitle }}</h3>
      <el-form-item prop="username">
        <span class="svg-container svg-container_login">
          <svg-icon icon-class="user"/>
        </span>
        <el-input v-model="loginForm.username" name="username" type="text" auto-complete="on" placeholder="用户名"/>
      </el-form-item>
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password"/>
        </span>
        <el-input
          :type="pwdType"
          v-model="loginForm.password"
          name="password"
          auto-complete="on"
          placeholder="密码"
          @keyup.enter.native="handleLogin"/>
        <span class="show-pwd" @click="showPwd">
          <svg-icon icon-class="eye"/>
        </span>
      </el-form-item>
      <el-form-item>
        <el-button :loading="loading" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
          登录
        </el-button>
      </el-form-item>
      <!--<div class="tips">
        <span style="margin-right:20px;">username: admin</span>
        <span> password: admin</span>
      </div>-->
      <div class="bottom-text">
        <span v-if="shortcut" @click="showQRCode">{{ shortcut_name }}</span>
        <span v-if="qywxLogin" @click="showCodeDialog">扫码登录 ></span>
      </div>
      <!--<p class="code-btn" @click="showCodeDialog">扫码登录 ></p>-->
    </el-form>
    <el-dialog :visible.sync="codeDialogVisible" :modal-append-to-body="false" width="378px">
      <div class="iframe">
        <iframe
          :src="qy_redirect"
          frameborder="0"/>
      </div>
    </el-dialog>
    <el-dialog :visible.sync="codeData.visible" :modal-append-to-body="false" width="360px" title="验证码" center class="img-code-dialog">
      <el-image :src="codeData.img"/>
      <div class="refresh" @click="loadCodeImage"><el-link>看不清, 刷新一下</el-link></div>
      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules">
        <el-form-item prop="imgCode">
          <el-input v-model="loginForm['imgCode']"/>
        </el-form-item>
      </el-form>

      <div class="footer">
        <el-button type="primary" @click="handleLogin">确定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
// import { isvalidUsername } from '@/utils/validate'

export default {
  name: 'Login',
  data() {
    const validateUsername = (rule, value, callback) => {
       if (!value) {
          callback(new Error('请输入正确的用户名'))
        } else {
          callback()
        }
    }
    const validatePass = (rule, value, callback) => {
      if (!value) {
        callback(new Error('请输入密码'))
      } else {
        callback()
      }
    }
    const validateCode = (rule, value, callback) => {
      console.log(value)
      if (!value && this.codeData.visible) {
        callback(new Error('请输入验证码~'))
      } else {
        callback()
      }
    }
    return {
      // 站点标题
      siteTitle: '',
      // 快捷链接开关
      shortcut: '0',
      // 快捷链接名称
      shortcut_name: '',
      // 快捷链接地址
      shortcut_url: '',
      // agent_url: '',
      // 企业微信扫描登录开关
      qywxLogin: 0,
      // 企业微信扫描登录地址
      qy_redirect: '',
      // 二维码弹窗
      codeDialogVisible: false,
      loginForm: {
        username: '',
        password: '',
        imgCode: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        imgCode: [{ required: true, trigger: 'blur', validator: validateCode }],
        password: [{ required: true, trigger: 'blur', validator: validatePass }]
      },
      loading: false,
      pwdType: 'password',
      // 验证码
      codeData: {
        visible: false,
        img: '',
        key: ''
      }
    }
  },
  created() {
    this.initSiteTitle()
  },
  methods: {
    initSiteTitle() {
      const url = 'common/getTitle'
      this.$store.dispatch('GetConnect', { url }).then(res => {
        this.siteTitle = res.data.title
        this.qywxLogin = res.data.qywxLogin
        this.qy_redirect = res.data.qy_redirect
        // this.agent_url = res.data.agent_url
        this.shortcut = res.data.shortcut
        this.shortcut_name = res.data.shortcut_name
        this.shortcut_url = res.data.shortcut_url
      }).catch(e => {
        this.$message.error(e.msg + ',请刷新或联系管理员')
      })
    },
    showPwd() {
      if (this.pwdType === 'password') {
        this.pwdType = ''
      } else {
        this.pwdType = 'password'
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          console.log(this.loginForm)
          this.$store.dispatch('Login', this.loginForm).then(() => {
            this.loading = false
            this.$router.push({ path: '/' })
          }).catch((res) => {
            if (res.data && res.data.activationImgCode) {
              this.loadCodeImage()
            } else {
              this.loginForm.imgKey = '';
              this.loginForm.imgCode = '';
              this.codeData.visible = false
              this.$message.error(res.msg)
              this.loading = false
            }
          })
        }
      })
    },
    showCodeDialog() {
      this.codeDialogVisible = true
    },
    showQRCode() {
      window.open(this.shortcut_url)
      // const url = this.$store.getters.serverUrl + '/agent#/workbench/index'
      // window.open(url)
    },
    // 获取验证码图片
    loadCodeImage() {
      const url = 'getCaptchaImg'
      this.$store.dispatch('GetConnect', { url }).then(res => {
        this.codeData.visible = true;
        this.codeData = Object.assign(this.codeData, res.data);
        this.loginForm.imgKey = res.data.key;
        this.loading = false
      })
    }
  }
}
</script>

<style rel="stylesheet/scss" lang="scss">
  $bg: #2d3a4b;
  $light_gray: #eee;

  /* reset element-ui css */
  .login-container {
    .login-form{
      .el-input {
        display: inline-block;
        height: 47px;
        width: 85%;

        input {
          background: transparent;
          border: 0px;
          -webkit-appearance: none;
          border-radius: 0px;
          padding: 12px 5px 12px 15px;
          color: $light_gray;
          height: 47px;

          &:-webkit-autofill {
            -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
            -webkit-text-fill-color: #fff !important;
          }
        }
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }

</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  $bg: #2d3a4b;
  $dark_gray: #889aa4;
  $light_gray: #eee;
  .login-container {
    position: fixed;
    height: 100%;
    width: 100%;
    background-color: $bg;

    .login-form {
      position: absolute;
      left: 0;
      right: 0;
      width: 520px;
      max-width: 100%;
      padding: 35px 35px 15px 35px;
      margin: 120px auto;
    }

    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
      &_login {
        font-size: 20px;
      }
    }

    .title {
      font-size: 26px;
      font-weight: 400;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }

    .code-btn {
      float: right;
      width: 100px;
      color: #fff;
      font-size: 14px;
      text-align: right;
      cursor: pointer;
      margin-right: 16px;

      &:hover {
        text-decoration: underline;
      }
    }

    .bottom-text {
      span:first-child {
        color: #fff;
        font-size: 14px;
        text-align: right;
        cursor: pointer;
        margin-right: 16px;
        &:hover {
          text-decoration: underline;
        }
      }
      span:last-child {
        color: #fff;
        font-size: 14px;
        text-align: right;
        cursor: pointer;
        margin-right: 16px;
        float: right;
        &:hover {
          text-decoration: underline;
        }
      }
    }

    .iframe {
      display: flex;
      flex-direction: row;
      align-items: center;
      -webkit-align-items: center;
      justify-content: center;
      -webkit-justify-content: center;
      >iframe{
        width: 378px;
        height: 400px;
      }
    }
  }
  .img-code-dialog {
    .el-image {
      width: 100%;
      margin-bottom: 10px;
      height: 77px;
    }

    .refresh {
      text-align: right;
      margin-bottom: 6px;

      .el-link {
        font-size: 12px;
      }
    }

    .footer {
      text-align: center;
      margin-top: 10px;
    }
  }
</style>
